Abstract: Disclosed is a heat-sensitive transfer recording material having a colorant layer containing a colorant transferable by heat, wherein a compound represented by the formula [I] shown below is contained in said colorant layer and/or a layer adjacent to said colorant layer: ##STR1## [wherein M.sup.2+ represents a chelatable metal ion, R.sup.1 and R.sup.2 each independently represent hydrogen atom, a halogen atom, a monovalent organic group, X represents ##STR2## --OR.sup.5 and hydroxyl group (where R.sup.3, R.sup.4, R.sup.5 each independently represent an alkyl group which may also have a substituent), Y represents a 6-membered nitrogen containing aromatic heterocyclic ring together with ##STR3## Z represents an anion, m represents 1 or 2 and n represents 1 or 2].